/* code by Dawninshadow  2018.4.21 */

html,
body,
body div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
figure,
footer,
header,
menu,
nav,
section,
time,
mark,
audio,
video,
details,
summary {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font-weight: normal;
    vertical-align: baseline;
    background: transparent
}

article,
aside,
figure,
footer,
header,
nav,
section,
details,
summary {
    display: block
}

*,
*:before,
*:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

img,
object,
embed {
    max-width: 100%;
    height: auto
}

html {
    overflow-y: scroll
}

ul {
    list-style: none
}

blockquote,
q {
    quotes: none
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none
}

a {
    margin: 0;
    padding: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent
}

del {
    text-decoration: line-through
}

abbr[title],
dfn[title] {
    border-bottom: 1px dotted #000;
    cursor: help
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

th {
    font-weight: bold;
    vertical-align: bottom
}

td {
    font-weight: normal;
    vertical-align: top
}

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid #ccc;
    margin: 1em 0;
    padding: 0
}

input,
select {
    vertical-align: middle
}

pre {
    white-space: pre;
    white-space: pre-wrap;
    white-space: pre-line;
    word-wrap: break-word
}

input[type="radio"] {
    vertical-align: text-bottom
}

input[type="checkbox"] {
    vertical-align: bottom
}

.ie7 input[type="checkbox"] {
    vertical-align: baseline
}

.ie6 input {
    vertical-align: text-bottom
}

select,
input,
textarea {
    font: 99% sans-serif
}

table {
    font-size: inherit;
    font: 100%
}

small {
    font-size: 85%
}

strong {
    font-weight: bold
}

td,
td img {
    vertical-align: top
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative
}

sup {
    top: -0.5em
}

sub {
    bottom: -0.25em
}

pre,
code,
kbd,
samp {
    font-family: monospace, sans-serif
}

.clickable,
label,
input[type=button],
input[type=submit],
input[type=file],
button {
    cursor: pointer
}

button,
input,
select,
textarea {
    margin: 0
}

button,
input[type=button] {
    width: auto;
    overflow: visible
}

/*^^^^基础样式清除^^^^*/

@basic-text-color: #fff;
@basic-bg-color: #111111;
@basic-font-family: monospace,
monospace;
@window-padding-LR: 2.77778vw;
@window-padding-TB: 2.43056vw;
@min1v1: ~"(min-aspect-ratio: 1 / 1)"; //页面宽高比大于1比1(宽屏设备)
@max1v1: ~"(max-aspect-ratio: 1 / 1)"; //页面宽高比小于1比1(竖屏设备)
@maxH700: ~"(max-geight:700px)";
/*^^^^基础变量^^^^*/

@keyframes typing {
    from {
        width: 10ch;
    }
}

/*^^^^动画^^^^*/

.Ds_show {
    transform: translateZ(0);
    will-change: transform; //提前通知浏览器元素会变化
    display: none;
}

.Ds_show.active {
    display: block;
}

.Ds_title {
    display: inline-block;
    font-family: @basic-font-family;
    font-weight: bold;
    text-align: left;
    color: @basic-text-color;
    line-height: 1;
    span {
        font-weight: bold;
    }
    @media @min1v1 {
        font-size: 6.8vw;
        max-width: 47.9vw;
    }
    @media @max1v1 {
        font-size: 13.2vw;
        max-width: 197.9vw;
    }
}

.Ds_describe {
    font-family: @basic-font-family;
    font-weight: normal;
    line-height: 1.5;
    text-align: left;
    color: @basic-text-color;
    margin-top: 27px;
    font-size: 24px;
    max-width: 360px;
    span {
        font-weight: normal;
    }
    @media @min1v1 {
        font-size: 3.3vw;
        max-width: 50vw;
    }
    @media @max1v1 {
        font-size: 5.0vw;
        max-width: 83.3vw;
    }
}

/*^^^^公共样式^^^^*/

body {
    background-color: @basic-bg-color;
    font-family: @basic-font-family;
}

.Ds_nav {
    position: fixed;
    z-index: 233;
}

.Ds_face {
    position: fixed;
    top: @window-padding-TB;
    left: @window-padding-LR;
    font: bold 20px/1.25 @basic-font-family;
    text-align: center;
    text-decoration: none;
    color: @basic-text-color;
}

.Ds_face>span {
    font-weight: bold;
    display: inline-block;
    width: 1em;
}

.Ds_menu {
    position: fixed;
    z-index: 1;
    bottom: @window-padding-TB;
    left: @window-padding-LR;
    a {
        font-size: 16px;
        font-weight: bold;
        line-height: 1.88;
        text-align: left;
        color: @basic-text-color;
        text-decoration: none;
        border-bottom: 2px solid transparent;
        &:hover {
            border-bottom: 2px solid #fff;
        }
    }
}

.Ds_special {
    position: fixed;
    top: @window-padding-TB;
    right: @window-padding-LR;
    font: bold 16px @basic-font-family;
    color: @basic-text-color;
    text-align: right;
    cursor: pointer;
    &:hover {
        border-bottom: 2px solid #fff;
    }
}

/*^^^^nav^^^^*/

.Ds_page_one {
    width: 100%;
    height: 1000px;
}

.Ds_page_one {
    .Ds_text_top {
        position: fixed;
        top: 26%;
        padding: 0 2.8vw;
        @media @maxH700 {
            top: 20%;
        }
    }
    .Ds_line {
        min-width: 2px;
        width: 0.13vw;
        background-color: @basic-text-color;
        overflow: hidden;
        position: absolute;
        right: -3vw;
        @media @max1v1 {
            top: 9.2vw;
            height: 13.2vw;
            margin: 3.9vw 0 0 10.6vw
        }
        @media @min1v1 {
            top: 5.4vw;
            height: 6.8vw;
            margin: 2.0vw 0 0 5.5vw;
        }
    }
}

#Ds_watch_more {
    transform: rotate(-90deg);
    z-index: 332;
    position: absolute;
    margin: 0 auto;
    top: 65vh;
    right: -3vw;
    &:after {
        content: "(° Д° )))) =3 =3 =3 =3";
        width: 25ch;
        white-space: nowrap;
        overflow: hidden;
        color: @basic-text-color;
        opacity: .8;
        animation: typing 4s steps(5) infinite;
        font: bold 12px @basic-font-family;
        position: absolute;
    }
}

/*^^^^page-1^^^^*/

.Ds_page_two {
    width: 100%;
    height: 500px;
}

.Ds_page_thr {
    width: 100%;
    height: 3950px;
}